255767701703020 has 96 divisors (see below), whose sum is σ = 580720070548800. Its totient is φ = 94063726116864.

The previous prime is 255767701702993. The next prime is 255767701703021. The reversal of 255767701703020 is 20307107767552.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (255767701703021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86962071 + ... + 89855089.

It is an arithmetic number, because the mean of its divisors is an integer number (6049167401550).

Almost surely, 2^{255767701703020} is an apocalyptic number.

255767701703020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255767701703020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290360035274400).

255767701703020 is an abundant number, since it is smaller than the sum of its proper divisors (324952368845780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255767701703020 is a wasteful number, since it uses less digits than its factorization.

255767701703020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894387 (or 2894385 counting only the distinct ones).

The product of its (nonzero) digits is 4321800, while the sum is 52.

The spelling of 255767701703020 in words is "two hundred fifty-five trillion, seven hundred sixty-seven billion, seven hundred one million, seven hundred three thousand, twenty".